- Type:
- Led filament bulb
- Input Voltage(V):
- 220-240VAC
- Lamp Luminous Flux(lm):
- 350-400
- CRI (Ra>):
- 80
- Working Temperature(℃):
- -25 - +55
- Working Lifetime(Hour):
- 40000
- Lamp Body Material:
- Glass
- Certification:
- CE, EMC, LVD, RoHS
- Base Type:
- E27
- Place of Origin:
- Zhejiang, China
- Brand Name:
- Kingfine
- Model Number:
- COB-ST644W
- Light Source:
- LED
- Input Voltage:
- 220-240VAC Constant Current
- Color:
- 3000K/6500K
- Life:
- 40000
- Housing Metal:
- Whole Glass Housing
- Colour rendering index(Ra):
- >80Ra
- Base:
- E27/E14
- Wattage:
- 4.0W
- Beam angle:
- 360
- Luminous Flux:
- 350-400
- Waterproof:
- IP44
- Item Type:
- Bulb Lights
- Color Temperature(CCT):
- Warm White
- LED Light Source:
- filament COB
- Lamp Power(W):
- 4
- Lamp Luminous Efficiency(lm/w):
- 100
- Supply Ability:
- 80000 Piece/Pieces per Month 20000 pieces per week
- Packaging Details
- White box, color box or color card&blister.
- Port
- Shanghai / Ningbo / Shenzhen
- Lead Time:
- Shipped in 3 days after payment
We are in filament led bulb HongKong fair!
1.specification
Housing Metal | Whole Glass Housing | |
Picture Show | ||
Base | E27 | |
Demension(D×H) | Φ45X60mm | |
Input voltage | 220-240VAC Constant Current | |
Wattage | 4.0W | |
Beam angle | 360° | |
LED | Quantity | 4 |
Stype | 1.0W Filament COB | |
Luminous Flux(Lm) | 350-400LM | |
Color | 3000K/6500K | |
Waterproof | IP44 | |
Colour rendering index(Ra) | >80Ra |
2.Applications
1.House and Home/ Hotel/ Coffee House/ Hospital/ Kitchen/ School/ Restaurant/ Shop/ Corridor/
Warehouse/ Garage/ Subway/ Basement/ Mine
2.Bar/ Disco Hall/ KTV
3.Bank/ Meeting Room
4.Displaying Hall/ Stage/ Exhibition Hall
5.Living Room
3.Comparison Between Common Lights and LED Lights
1. Although common lights are cheap, it has low luminance effect, short life-span and needs much time maintaining, high consumption of energy.
2. LED Lights have many advantages of long life-span, high light efficiency, no radiation fast heat dissipation, no UV radiation and low
consumption of energy.
4.Good Service after Sell
1.The warranty is 2 years. If the light have some problem during warranty, our company will
replace it freely.
2.Any small problem happening in our lamps will be solved at the most promote time.
3.We always offer relative technical suppore/consultant. Quick response, all your inquiry will
be replied within 24 hours.
Why choose us???
COB filament led producing
COB filament led chips
COB filament led lighting
Led bulb application fields
Led bulb testing machine
Led bulb core competiriveness
led bulb package
led bulb shipping
Do you have some questions about our products?PLS do not
hesitate to call me!